CN201819828U - Nitrogen blowing concentrator - Google Patents
Nitrogen blowing concentrator Download PDFInfo
- Publication number
- CN201819828U CN201819828U CN2010205189905U CN201020518990U CN201819828U CN 201819828 U CN201819828 U CN 201819828U CN 2010205189905 U CN2010205189905 U CN 2010205189905U CN 201020518990 U CN201020518990 U CN 201020518990U CN 201819828 U CN201819828 U CN 201819828U
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- water tank
- gas
- heating water
- nitrogen evaporator
- pipe
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Abstract
The utility model discloses a nitrogen blowing concentrator which comprises a heating device, a sample positioning device, a gas supply device, a gas supply pipe and branch guiding pipes, wherein the sample positioning device comprises a cover plate arranged above a heating water tank, a plurality of sample holders are arranged on the cover plate, each sample holder comprises a plurality of cylindrical holder bodies which are sheathed and clamped together in sequence from outside to inside, the gas supply device comprises a fixed support arranged above the heating water tank, the gas supply pipe is arranged on the fixed support and provided with a plurality of gas outlets, the branch guiding pipes are correspondingly connected with the gas outlets, a gas blowing pipe is connected at the end of each branch guiding pipe, and a gas inlet adjusting valve is arranged between each branch guiding pipe and the gas blowing pipe. The nitrogen blowing concentrator has reasonable structure; sample containers of different specifications can be arranged on the sample positioning device very conveniently; the height of the gas blowing pipe can be adjusted conveniently, thus enabling the experiment to be operated more conveniently; and each gas source can be controlled independently, thus saving gas sources.
Description
Technical field
The utility model relates to the experimental provision technical field that is used for sample concentration, is specifically related to a kind of Nitrogen evaporator.
Background technology
Sample concentration is the problem that each chemical laboratory all will relate to.In the past, mainly be to adopt Rotary Evaporators to concentrate, still, it is obvious to adopt Rotary Evaporators to concentrate shortcoming: it is slow to concentrate speed, and troublesome poeration especially is not suitable for sample in a small amount.In the case, Nitrogen evaporator arises at the historic moment, it has not only solved all shortcomings that adopt Rotary Evaporators, be particularly useful for a plurality of in a small amount samples, and for the sample that can not heat even need cooling concentration, then can only use Nitrogen evaporator to concentrate especially, therefore, what it became each chemical laboratory must join instrument.At present, Nitrogen evaporator is mainly used in purifying and the preparation that chromatogram, mass spectrum etc. are analyzed samples, is used to accelerate the volatilization of water, toluene, methyl alcohol, acetone equal solvent, and it is widely used in fields such as food security, medicine, Detecting Pesticide, clinical medicine generation.
Usually, Nitrogen evaporator is made up of heating arrangement, sample locating device and feeder three parts.Nitrogen or air are blown into the sampling receptacle that is fixed on the sample locating device and places heating arrangement by gas blow pipe after adjusting flow through feeder, the organic solvent in the interior sample of sampling receptacle is volatilized rapidly, thereby realize concentrating sample.Nitrogen evaporator in the market mainly is to use test tube, beaker and conical flask etc. as sampling receptacle, and because the design of sample locating device is unreasonable, can only place a kind of of test tube, beaker or conical flask singlely, if need to place two or three container, then need to change the sample locating device, cause inconvenience for user's use; And Nitrogen evaporator in the market, the design of its feeder is reasonable inadequately, and the height of gas blow pipe is regulated inconvenient, and each root gas blow pipe can not independently control opening and closing, when the laboratory sample negligible amounts, the waste source of the gas.
Summary of the invention
Technical problem to be solved in the utility model is: a kind of Nitrogen evaporator is provided, it is rational in infrastructure, can on the sample locating device, place the sampling receptacle of different size very easily, and be convenient to regulate the height of gas blow pipe, make experimental implementation convenient, each road source of the gas can independently be controlled, and has saved source of the gas.
For solving the problems of the technologies described above, the technical solution of the utility model is: Nitrogen evaporator, comprise heating arrangement, sample locating device and feeder, described heating arrangement comprises heating water tank, described sample locating device comprises the cover plate that is arranged at described heating water tank top, described cover plate is provided with several specimen holders, and described each specimen holder comprises ecto-entad suit and several tubular pedestals of being connected together successively; Described feeder comprises the fixed support that is arranged at described heating water tank top; Be arranged at the air supply pipe on the described fixed support, described air supply pipe has several gas outlets; With branch's mozzle that described gas outlet connects one to one, the end of described each branch's mozzle connects gas blow pipe, is provided with the air inlet adjustment valve between described branch mozzle and described gas blow pipe.
As a kind of optimized technical scheme, in described heating water tank, be provided with heating tube, described heating water tank is provided with attemperating unit, described attemperating unit comprises the temperature sensor and the controller that is connected with described temperature sensor on the madial wall that is arranged at described heating water tank, and described heating tube is connected with described controller.
In described heating water tank outer setting the liquid level inditron is arranged.
As a kind of optimized technical scheme, described pedestal comprises the big cylindrical portion that is connected and little cylindrical portion, and an inner most pedestal of described specimen holder has isometrical through hole, and other pedestal of described specimen holder has step-like through hole.
The upper surface of each pedestal in described each specimen holder is on same surface level.
As a kind of optimized technical scheme, described sample locating device also comprises the dividing plate that is arranged in the described heating water tank, and described dividing plate is provided with several bleeder vents.
As a kind of optimized technical scheme, described feeder also comprises the movable stand that is movably set on the described fixed support, and described each gas blow pipe is movably set on the described movable stand by the height adjustment seat.Described height adjustment seat comprises the double-screw bolt that is fixedly set on the described movable stand, and described double-screw bolt has the through hole that passes for gas blow pipe, is provided with flexure strip in the end periphery of described double-screw bolt; Be sheathed on the swivel nut of described double-screw bolt outside, have the reducing through hole that is used to push the fastening described gas blow pipe of described flexure strip in the described swivel nut.
After having adopted technique scheme, the beneficial effects of the utility model are:
1. because Nitrogen evaporator of the present utility model, each specimen holder comprises ecto-entad suit and several tubular pedestals of being connected together successively in its sample locating device, when the sampling receptacle bore hour, the use that is set-located of a plurality of pedestals, sampling receptacle is fixed than small through hole by inner pedestal, when the sampling receptacle bore is big, remove one or several inner pedestal as required, utilize fixing of outside pedestal than large through-hole.Therefore, the utility model just can arbitrarily be placed different sampling receptacles need not to change under the condition of sample locating device, and operation is very easy, satisfies user's request for utilization more.
2. because Nitrogen evaporator of the present utility model, gas blow pipe is movably set on the movable stand by the height adjustment seat in its feeder, not only can be by the height of the integrally-regulated gas blow pipe of movable stand, can also regulate the height of each gas blow pipe and fixing separately by the height adjustment seat, therefore, the utility model is convenient to regulate the height of gas blow pipe, the operation that experimentizes that can be convenient.
3. because Nitrogen evaporator of the present utility model, between branch's mozzle that is connected and gas blow pipe, be provided with the air inlet adjustment valve in its feeder, therefore, can independently control the unlatching of each gas blow pipe and regulate airshed, when not placing sample on the specimen holder, then close corresponding gas blow pipe, easy to operate, and saved source of the gas.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structural representation of specimen holder among the utility model embodiment;
Fig. 3 is the decomposition texture synoptic diagram of specimen holder among the utility model embodiment;
Fig. 4 is the structural representation of height adjustment seat among the utility model embodiment.
Among the figure: 11. heating water tank, 12. heating tubes, 13. temperature sensors, 14. controller, 15. liquid level inditrons, 21. cover plates, 22. specimen holder, 221. outside pedestals, 222. middle pedestals, 223. inner pedestal, 23. dividing plates, the big cylindrical of a. portion, b. little cylindrical portion, the isometrical through hole of c., the step-like through hole of d., 31. fixed support, 32. air supply pipes, 321. air intake openings, 322. the gas outlet, 33. branch's mozzles, 34. gas blow pipes, 35. the air inlet adjustment valve, 36. movable stands, 37. height adjustment seats, 371. double-screw bolt, 372. flexure strips, 373. swivel nuts, 374. the reducing through hole, 38. adjusting handles.
Embodiment
A kind of Nitrogen evaporator, it comprises heating arrangement, sample locating device and feeder.
As shown in Figure 1, described heating arrangement comprises heating water tank 11, in described heating water tank 11, be provided with heating tube 12, described heating water tank 11 is provided with attemperating unit, described attemperating unit comprises the temperature sensor 13 and the controller 14 that is connected with described temperature sensor 13 on the madial wall that is arranged at described heating water tank 11, and described heating tube 12 is connected with described controller 14.In described heating water tank 11 outer setting liquid level inditron 15 is arranged.During sample concentration, heating tube 12 energisings are heated the WATER AS FLOW MEDIUM in the heating water tank 11, by temperature sensor 13 temperature of WATER AS FLOW MEDIUM is exported to controller 14, controller 14 is according to the temperature of the WATER AS FLOW MEDIUM that receives, by regulating the power of heating tube 12, make WATER AS FLOW MEDIUM reach the temperature of setting and keep temperature constant.
Shown in Fig. 1, Fig. 2 and Fig. 3 are common, described sample locating device comprises the cover plate 21 that is arranged at described heating water tank 11 tops, described cover plate 21 is provided with several specimen holders 22, described each specimen holder 22 comprises ecto-entad suit and several tubular pedestals of being connected together successively, the quantity of pedestal is according to using needs specifically to be provided with, in the present embodiment, each specimen holder has 3 pedestals, is respectively outside pedestal 221, middle pedestal 222 and inner pedestal 223.
Described 3 pedestals 221,222,223 include big cylindrical a of portion and the little cylindrical b of portion that is connected, the just inner pedestal 221 of an inner most pedestal of described specimen holder has isometrical through hole c, other pedestal 222,223 of described specimen holder has step-like through hole d, the big cylindrical a of portion of each pedestal and little cylindrical portion b junction form the card edge of protruding, an inner pedestal by card along on the step of the step-like through hole d that is connected to an outside pedestal.And the upper surface of each pedestal in described each specimen holder 22 is on same surface level.
Described sample locating device also comprises the dividing plate 23 that is arranged in the described heating water tank 11, and described dividing plate 23 is provided with several bleeder vents, and this dividing plate 23 not only is used for the support sampling receptacle, also can prevent touching bottom heating tube.
When carrying out sample concentration, when the sampling receptacle bore hour, sheathed and the use that is connected together mutually of a plurality of pedestals, sampling receptacle is fixed than small through hole by inner pedestal, when the sampling receptacle bore is big, remove one or several inner pedestal as required, utilize fixing of outside pedestal than large through-hole.
Shown in Fig. 1 and Fig. 4 were common, described feeder comprised the fixed support 31 that is arranged at described heating water tank 11 tops; Be arranged at the air supply pipe 32 on the described fixed support 31, an end of described air supply pipe 32 is air intake opening 321, other end sealing, has several gas outlets 322 on the pipe shaft of described air supply pipe 32; Also comprise the branch's mozzle 33 that connects one to one with described gas outlet 322, described branch mozzle 33 adopts flexible pipe, the end of described each branch's mozzle 33 connects gas blow pipe 34, is provided with air inlet adjustment valve 35 between described branch mozzle 33 and described gas blow pipe 34; Also comprise the movable stand 36 that is movably set on the described fixed support 31, described movable stand 36 is movably set on the described fixed support 31 by holding screw, the end of described holding screw is provided with adjusting handle 38, rotate adjusting handle 38, the degree of tightness holding screw just can be adjusted the height of movable stand 36 on fixed support 31, and then the whole height of adjusting gas blow pipe 34, each gas blow pipe 34 is movably set on the described movable stand 36 by height adjustment seat 37.
Described height adjustment seat 37 comprises the double-screw bolt 371 that is fixedly set on the described movable stand 36, and described double-screw bolt 371 has the through hole that passes for gas blow pipe 34, is provided with flexure strip 372 in the end periphery of described double-screw bolt 371; Also comprise the swivel nut 373 that is sheathed on described double-screw bolt 371 outsides, have the reducing through hole 374 that is used to push described flexure strip 372 fastening described gas blow pipes 34 in the described swivel nut 373.Behind the height by movable stand 36 whole adjustment gas blow pipes 34, according to actual conditions, needs are regulated indivedual gas blow pipes 34 height separately, at first swivel nut 373 is screwed off from double-screw bolt 371, adjust the height of gas blow pipe 34, then swivel nut 373 is tightened, reducing through hole 374 compressing flexure strips 372 are held gas blow pipe 34 tightly, can realize fixing to gas blow pipe 34.
Claims (10)
1. Nitrogen evaporator comprises heating arrangement, sample locating device and feeder, and described heating arrangement comprises heating water tank, it is characterized in that:
Described sample locating device comprises the cover plate that is arranged at described heating water tank top, and described cover plate is provided with several specimen holders, and described each specimen holder comprises ecto-entad suit and several tubular pedestals of being connected together successively;
Described feeder comprises
Be arranged at the fixed support of described heating water tank top;
Be arranged at the air supply pipe on the described fixed support, described air supply pipe has several gas outlets;
With branch's mozzle that described gas outlet connects one to one, the end of described each branch's mozzle connects gas blow pipe, is provided with the air inlet adjustment valve between described branch mozzle and described gas blow pipe.
2. Nitrogen evaporator as claimed in claim 1, it is characterized in that: in described heating water tank, be provided with heating tube, described heating water tank is provided with attemperating unit, described attemperating unit comprises the temperature sensor and the controller that is connected with described temperature sensor on the madial wall that is arranged at described heating water tank, and described heating tube is connected with described controller.
3. Nitrogen evaporator as claimed in claim 2 is characterized in that: in described heating water tank outer setting the liquid level inditron is arranged.
4. Nitrogen evaporator as claimed in claim 1 is characterized in that: described pedestal comprises the big cylindrical portion that is connected and little cylindrical portion, and an inner most pedestal of described specimen holder has isometrical through hole, and other pedestal of described specimen holder has step-like through hole.
5. Nitrogen evaporator as claimed in claim 4 is characterized in that: the upper surface of each pedestal in described each specimen holder is on same surface level.
6. Nitrogen evaporator as claimed in claim 5 is characterized in that: described sample locating device also comprises the dividing plate that is arranged in the described heating water tank, and described dividing plate is provided with several bleeder vents.
7. Nitrogen evaporator as claimed in claim 1 is characterized in that: described feeder also comprises the movable stand that is movably set on the described fixed support, and described each gas blow pipe is movably set on the described movable stand by the height adjustment seat.
8. Nitrogen evaporator as claimed in claim 7 is characterized in that: described height adjustment seat comprises
Be fixedly set in the double-screw bolt on the described movable stand, described double-screw bolt has the through hole that passes for gas blow pipe, is provided with flexure strip in the end periphery of described double-screw bolt;
Be sheathed on the swivel nut of described double-screw bolt outside, have the reducing through hole that is used to push the fastening described gas blow pipe of described flexure strip in the described swivel nut.
9. Nitrogen evaporator as claimed in claim 7 is characterized in that: described branch mozzle is a flexible pipe.
10. Nitrogen evaporator as claimed in claim 7 is characterized in that: described movable stand is movably set on the described fixed support by holding screw, and the end of described holding screw is provided with handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205189905U CN201819828U (en) | 2010-08-31 | 2010-08-31 | Nitrogen blowing concentrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205189905U CN201819828U (en) | 2010-08-31 | 2010-08-31 | Nitrogen blowing concentrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201819828U true CN201819828U (en) | 2011-05-04 |
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ID=43917778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205189905U Expired - Fee Related CN201819828U (en) | 2010-08-31 | 2010-08-31 | Nitrogen blowing concentrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201819828U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175727A (en) * | 2013-02-07 | 2013-06-26 | 天津奥顺达科技有限公司 | Sample preparation instrument |
| CN103487314A (en) * | 2013-09-30 | 2014-01-01 | 南京白云化工环境监测有限公司 | Nitrogen blowing instrument with variable gas supply rate |
| CN104280289A (en) * | 2014-10-10 | 2015-01-14 | 中国科学院生态环境研究中心 | Adjustable sample positioning rack for nitrogen blowing instrument |
| CN104374631A (en) * | 2014-12-10 | 2015-02-25 | 成都雅源科技有限公司 | Nitrogen blowing instrument |
| CN104655477A (en) * | 2013-11-19 | 2015-05-27 | 成都市产品质量监督检验院 | Nitrogen blowing instrument and wet digestion method using same |
| WO2015074181A1 (en) * | 2013-11-19 | 2015-05-28 | 成都市产品质量监督检验院 | Nitrogen blowing apparatus and wet dissolving method using nitrogen blowing apparatus |
| CN105158052A (en) * | 2015-08-18 | 2015-12-16 | 浙江省海洋水产研究所 | Efficient liquid sample treatment equipment |
| CN110274814A (en) * | 2019-07-22 | 2019-09-24 | 青岛市产品质量监督检验研究院 | A kind of automatic nitrogen evaporator |
| CN112843768A (en) * | 2021-03-04 | 2021-05-28 | 长沙永乐康仪器设备有限公司 | Method and device for recycling concentrated gas for concentrator |
-
2010
- 2010-08-31 CN CN2010205189905U patent/CN201819828U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103175727A (en) * | 2013-02-07 | 2013-06-26 | 天津奥顺达科技有限公司 | Sample preparation instrument |
| CN103175727B (en) * | 2013-02-07 | 2015-10-14 | 天津奥顺达科技有限公司 | A kind of sample preparation instrument |
| CN103487314A (en) * | 2013-09-30 | 2014-01-01 | 南京白云化工环境监测有限公司 | Nitrogen blowing instrument with variable gas supply rate |
| CN104655477B (en) * | 2013-11-19 | 2018-06-26 | 成都市产品质量监督检验院 | A kind of nitrogen evaporator and a kind of wet digestion method using nitrogen evaporator |
| CN104655477A (en) * | 2013-11-19 | 2015-05-27 | 成都市产品质量监督检验院 | Nitrogen blowing instrument and wet digestion method using same |
| WO2015074181A1 (en) * | 2013-11-19 | 2015-05-28 | 成都市产品质量监督检验院 | Nitrogen blowing apparatus and wet dissolving method using nitrogen blowing apparatus |
| CN104280289A (en) * | 2014-10-10 | 2015-01-14 | 中国科学院生态环境研究中心 | Adjustable sample positioning rack for nitrogen blowing instrument |
| CN104374631A (en) * | 2014-12-10 | 2015-02-25 | 成都雅源科技有限公司 | Nitrogen blowing instrument |
| CN104374631B (en) * | 2014-12-10 | 2017-04-19 | 成都雅源科技有限公司 | Nitrogen blowing instrument |
| CN105158052B (en) * | 2015-08-18 | 2018-01-16 | 浙江省海洋水产研究所 | A kind of efficient process equipment of fluid sample |
| CN105158052A (en) * | 2015-08-18 | 2015-12-16 | 浙江省海洋水产研究所 | Efficient liquid sample treatment equipment |
| CN110274814A (en) * | 2019-07-22 | 2019-09-24 | 青岛市产品质量监督检验研究院 | A kind of automatic nitrogen evaporator |
| CN110274814B (en) * | 2019-07-22 | 2024-02-23 | 青岛市产品质量监督检验研究院 | Automatic nitrogen blowing instrument |
| CN112843768A (en) * | 2021-03-04 | 2021-05-28 | 长沙永乐康仪器设备有限公司 | Method and device for recycling concentrated gas for concentrator |
| CN112843768B (en) * | 2021-03-04 | 2021-11-05 | 长沙永乐康仪器设备有限公司 | Method and device for recycling concentrated gas for concentrator |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WEIFANG NUMBER TECHNOLOGY DEVELOPMENT CO., LTD. Free format text: FORMER OWNER: WEIFANG RIGOR TESTING INSTRUMENT CO., LTD. Effective date: 20130403 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 261000 WEIFANG, SHANDONG PROVINCE TO: 261061 WEIFANG, SHANDONG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20130403 Address after: 261061, No. fifth, building 2, second accelerator tower, No. 13426 East Jade Street, Weifang hi tech Zone, Shandong, China Patentee after: Weifang Number Technology Development Co., Ltd. Address before: Second incubator building, No. 6699, healthy East Street, Shandong, Weifang 261000, China Patentee before: Weifang Ruige Testing Instrument Co., Ltd. |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110504 Termination date: 20130831 |